[Arm64] Do not change vector load register size

diff --git a/src/jit/codegenarm64.cpp b/src/jit/codegenarm64.cpp
index f507ceb..7618432 100644 (file)
--- a/src/jit/codegenarm64.cpp
+++ b/src/jit/codegenarm64.cpp
@@ -1613,7 +1613,7 @@ void CodeGen::genCodeForLclVar(GenTreeLclVar* tree)
         instruction ins  = ins_Load(targetType);
         emitAttr    attr = emitTypeSize(targetType);
 
-        attr = emit->emitInsAdjustLoadStoreAttr(ins, attr);
+        attr = varTypeIsFloating(targetType) ? attr : emit->emitInsAdjustLoadStoreAttr(ins, attr);
 
         emit->emitIns_R_S(ins, attr, tree->gtRegNum, varNum, 0);
         genProduceReg(tree);
@@ -1666,7 +1666,7 @@ void CodeGen::genCodeForStoreLclFld(GenTreeLclFld* tree)
 
     emitAttr attr = emitTypeSize(targetType);
 
-    attr = emit->emitInsAdjustLoadStoreAttr(ins, attr);
+    attr = varTypeIsFloating(targetType) ? attr : emit->emitInsAdjustLoadStoreAttr(ins, attr);
 
     emit->emitIns_S_R(ins, attr, dataReg, varNum, offset);
 
@@ -1726,7 +1726,7 @@ void CodeGen::genCodeForStoreLclVar(GenTreeLclVar* tree)
             instruction ins  = ins_Store(targetType);
             emitAttr    attr = emitTypeSize(targetType);
 
-            attr = emit->emitInsAdjustLoadStoreAttr(ins, attr);
+            attr = varTypeIsFloating(targetType) ? attr : emit->emitInsAdjustLoadStoreAttr(ins, attr);
 
             emit->emitIns_S_R(ins, attr, dataReg, varNum, /* offset */ 0);
 

diff --git a/src/jit/codegenlinear.cpp b/src/jit/codegenlinear.cpp
index de56380..afffe01 100644 (file)
--- a/src/jit/codegenlinear.cpp
+++ b/src/jit/codegenlinear.cpp
@@ -902,7 +902,7 @@ void CodeGen::genUnspillRegIfNeeded(GenTree* tree)
             emitter*    emit       = getEmitter();
 
             // Fixes Issue #3326
-            attr = emit->emitInsAdjustLoadStoreAttr(ins, attr);
+            attr = varTypeIsFloating(targetType) ? attr : emit->emitInsAdjustLoadStoreAttr(ins, attr);
 
             // Load local variable from its home location.
             inst_RV_TT(ins, dstReg, unspillTree, 0, attr);